Type.registerNamespace("AjaxControlToolkit.HTMLEditor.ToolbarButton");AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo=function(a){AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo.initializeBase(this,[a])};AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo.prototype={callMethod:function(){if(!AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo.callBaseMethod(this,"callMethod"))return false;this._designPanel.undo()}};AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo.registerClass("AjaxControlToolkit.HTMLEditor.ToolbarButton.Undo",AjaxControlToolkit.HTMLEditor.ToolbarButton.MethodButton);